For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningCourtesy/Illuminated Entry Lamps
The following lamps may be manually turned ON by placing the interior lamp
switch in the ON position, or by opening a door while the
switch is in the AUTO position.
The dome lamp
The liftgate lamps
Courtesy lamps
The courtesy lamp supply voltage circuit of the body control module (BCM) ...
Rear Compartment Lid Emblem/Nameplate Replacement (Rear Emblem)
Rear Compartment Lid Emblem Assembly
Caution: Refer to Exterior Trim Emblem Removal Caution in the
Preface section.
Procedure
The part and surface should be 21°C (70°F) prior to installation. The
vehicle should remain 21°C (70°F) for
one hour after assembly to allow adhesive to deve ...
Exhaust Flexible Pipe Replacement (1.6L LXT)
Removal Procedure
Warning: Refer to Hot Exhaust System Warning in the Preface section.
Warning: Refer to Protective Goggles and Glove Warning in the Preface section.
Open the hood.
Raise the vehicle by its full height. Refer to Lifting and Jacking the
Vehicle.
Remove the heate ...